@node wcschrnul @subsection @code{wcschrnul} @findex wcschrnul Documentation:@* @ifinfo @ref{Search Functions,,Search Functions,libc}. @end ifinfo @ifnotinfo @url{https://www.gnu.org/software/libc/manual/html_node/Search-Functions.html}. @end ifnotinfo Gnulib module: --- Portability problems fixed by Gnulib: @itemize @end itemize Portability problems not fixed by Gnulib: @itemize @item This function is missing on many non-glibc platforms: macOS 11.1, FreeBSD 13.0, NetBSD 9.0, OpenBSD 6.7, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 9.0. @item On Windows and 32-bit AIX platforms, @code{wchar_t} is a 16-bit type and therefore cannot accommodate all Unicode characters. @end itemize